When the projector failed, Ms. Chen gave an extemporaneous talk on quarterly sales figures.

投影機故障時，陳小姐針對季度銷售數字做了一場即席演講。

Our new hires practice extemporaneous responses to common customer complaints during the first week.

新進員工在第一週練習即席回應常見的客戶抱怨。

The CEO's extemporaneous remarks at the shareholder meeting caused the stock price to dip.

執行長在股東大會上的即席發言導致股價下跌。